WHATS_NEW_DM

   1 Version 1.02.68 -
   2 ==================================
   3   Aling size of structure chunk for fast pool allocator to 8 bytes.
   4   Simplify some pointer operations in dm_free_aux() debug code.
   5   Remove unused dbg_malloc.h file from source tree.
   6   Cleanup backtraces for _create_and_load_v4().
   7   Fix alignment warning in bitcount calculation for raid segment.
   8   Allocate dm_tree structure from dm_tree pool.
   9   Update debug logging for _resume_node.
  10   Add functions to support thin provisioning target (API unstable).
  11   Improve libdm-config error path reporting.
  12   Update dmsetup resume man with --addnodeonresume/create options.
  13   Add dependency for dm man pages to man subdirectory make target all:.
  14   Add dm_tree_retry_remove to use retry logic for device removal in a dm_tree.
  15   Add dm_device_has_mounted_fs fn to check mounted filesystem on a device.
  16   Add dm_device_has_holders fn to to check use of the device by another device.
  17   Add dm_sysfs_dir to libdevmapper to retrieve sysfs location thas is set.
  18   Add dm_set_sysfs_dir to libdevmapper to set sysfs location.
  19   Add --retry option for dmsetup remove to retry removal if not successful.
  20   Add dm_task_retry_remove fn to use retry logic for device removal.
  21   Remove unused passed parameters for _mirror_emit_segment_line().
  22   Add dm_config and string character escaping functions to libdevmapper.
  23   Mark unreleased memory pools as internal error.
  24
  25 Version 1.02.67 - 19th August 2011
  26 ==================================
  27   Add dm_tree_node_add_null_area for temporarily-missing raid devs tracked.
  28
  29 Version 1.02.66 - 12th August 2011
  30 ==================================
  31   Release geometry buffer in dm_task_destroy.
  32   Update udev rules to skip DM flags decoding for removed devices.
  33   Add compile-time pool memory locking options (to debug shared VG structs).
  34   Remove device name prefix from dmsetup line output if -j & -m or -u supplied.
  35   Remove support for the original version 1 dm ioctls.
  36   Add missing check for allocation failure _create_dir_recursive().
  37   Add support for systemd file descriptor handover in dmeventd.
  38   Fix memory leak in dmsetup _message() memory allocation error path.
  39   Use new oom killer adjustment interface (oom_score_adj) when available.
  40   Add systemd unit files for dmeventd.
  41   Fix read-only identical table reload supression.
  42
  43 Version 1.02.65 - 8th July 2011
  44 ===============================
  45   Remove dev name prefix from dmsetup line output if exactly one dev requested.
  46   Report internal error if suspending a device using an already-suspended dev.
  47   Report error if a table load requiring target parameters has none supplied.
  48   Add dmsetup --checks and dm_task_enable_checks framework to validate ioctls.
  49   Add age_in_minutes parameter to dmsetup udevcomplete_all.
  50   Return immediately from dm_lib_exit() if called more than once.
  51   Disable udev fallback by default and add --verifyudev option to dmsetup.
  52   Report internal error if any table is loaded while any dev is known suspended.
  53   Add dm_get_suspended_counter() for number of devs in suspended state by lib.
  54   Fix "all" report field prefix matching to include label fields with pv_all.
  55   Delay resuming new preloaded mirror devices with core logs in deptree code.
  56   Accept new kernel version 3 uname formats in initialisation.
  57
  58 Version 1.02.64 - 29th April 2011
  59 ==================================
  60   Require libudev >= 143 when compiling with udev support.
  61   Use word alignment for dm_pool_strdup() and dm_pool_strndup().
  62   Use dm_snprintf() to fix signedness warning in dm_set_dev_dir().
  63   Use unsigned loop counter to fix signedness warning in _other_node_ops().
  64   Fix const cast in dmsetup calls of dm_report_field_string().
  65   Streamline /dev/mapper/control node code for common cases.
  66   Use hard-coded dm control node device number for 2.6.36 kernels and above.
  67   Improve stack debug reporting in dm_task_create().
  68   Fallback to control node creation only if node doesn't exist yet.
  69   Change dm_hash binary functions to take void *key instead of char *.
  70   Fix uninitialised memory use with empty params in _reload_with_suppression_v4.
  71   Lower severity of selabel_lookup and matchpathcon failure to log_debug.
  72   Add test for failed allocation from dm_task_set_uuid() in dmeventd.
  73   Add dm_event_get_version to dmeventd for use with -R.
  74   Avoid dmeventd core dumps when handling request with unknown command ID.
  75   Have dmeventd -R start up even when no existing copy is running.
  76   Accept multiple mapped device names on many dmsetup command lines.
  77   Fix dm_udev_wait calls in dmsetup to occur before readahead display not after.
  78   Include an implicit dm_task_update_nodes() within dm_udev_wait().
  79   Fix _create_and_load_v4 not to lose the --addnodeoncreate setting (1.02.62).
  80   Add inactive table query support for kernel driver >= 4.11.6 (RHEL 5.7).
  81   Log debug open_count in _node_has_closed_parents().
  82   Add a const to dm_report_field_string() data parameter.
  83
  84 Version 1.02.63 - 9th February 2011
  85 ===================================
  86   Reinstate DEBUG_MEM as it's part of the API. (1.02.62)
  87
  88 Version 1.02.62 - 4th February 2011
  89 ===================================
  90   Add configure --with-device-nodes-on=create for previous behaviour.
  91   Move creation of device nodes from 'create' to 'resume'.
  92   Add --addnodeonresume and --addnodeoncreate options to dmsetup.
  93   Add dm_task_set_add_node to libdevmapper to control dev node creation time.
  94   Add dm_task_secure_data to libdevmapper to wipe ioctl buffers in kernel.
  95   Log debug message when expected uevent is not generated.
  96   Only compile memory debugging code when DEBUG_MEM is set.
  97   Set DM_UDEV_DISABLE_OTHER_RULES_FLAG for suspended DM devices in udev rules.
  98   Begin a new pool object for each row in _output_as_rows() correctly.
  99
 100 Version 1.02.61 - 10th January 2011
 101 ===================================
 102   Add DM_COOKIE_AUTO_CREATE to libdevmapper.h.
 103   Export DM_CONTROL_NODE_UMASK and use it while creating /dev/mapper/control.
 104
 105 Version 1.02.60 - 20th December 2010
 106 ====================================
 107   Check for unlink failure in remove_lockfile() in dmeventd.
 108   Use dm_free for dm_malloc-ed areas in _clog_ctr/_clog_dtr in cmirrord.
 109   Use char* arithmetic in _process_all() & _targets() in dmsetup.
 110   Change dm_regex_create() API to accept const char * const *patterns.
 111   Add new dm_prepare_selinux_context fn to libdevmapper and use it throughout.
 112   Detect existence of new SELinux selabel interface during configure.
 113
 114 Version 1.02.59 - 6th December 2010
 115 ===================================
 116   Add backtraces to _process_mapper_dir and  _create_and_load_v4 error paths.
 117   Remove superfluous checks for NULL before calling dm_free.
 118
 119 Version 1.02.58 - 22nd November 2010
 120 ====================================
 121   Fix _output_field crash from field_id free with DEBUG_MEM. (1.02.57)
 122
 123 Version 1.02.57 - 8th November 2010
 124 ===================================
 125   Fix regex optimiser not to ignore RHS of OR nodes in _find_leftmost_common.
 126   Add dmeventd -R to restart dmeventd without losing monitoring state. (1.02.56)
 127   Fix memory leak of field_id in _output_field function.
 128   Allocate buffer for reporting functions dynamically to support long outputs.
 129
 130 Version 1.02.56 - 25th October 2010
 131 ===================================
 132   Return const pointer from dm_basename() in libdevmapper.
 133   Implement dmeventd -R to restart without state loss.
 134   Add dm_zalloc and use it and dm_pool_zalloc throughout.
 135   Add --setuuid to dmsetup rename.
 136   Add dm_task_set_newuuid to set uuid of mapped device post-creation.
 137
 138 Version 1.02.55 - 24th September 2010
 139 =====================================
 140   Fix the way regions are marked complete to avoid slow --nosync cmirror I/O.
 141   Add DM_REPORT_FIELD_TYPE_ID_LEN to libdevmapper.h.
 142
 143 Version 1.02.54 - 18th August 2010
 144 ==================================
 145   Fix dm-mod autoloading logic to not assume control node is set correctly.
 146   Add dmeventd/executable to lvm.conf to test alternative dmeventd.
 147   Export dm_event_handler_set_dmeventd_path to override built-in dmeventd path.
 148   Generate libdevmapper-event exported symbols.
 149   Remove superfluous NULL pointer tests before dm_free from dmeventd.
 150   Assume dm-mod autoloading support is in kernel 2.6.36 and higher, not 2.6.35.
 151   Fix udev rules to support udev database content generated by older rules.
 152   Reinstate detection of inappropriate uevent with DISK_RO set and suppress it.
 153   Fix regex ttree off-by-one error.
 154   Add --enable-valgrind-pool to configure.
 155   Fix segfault in regex matcher with characters of ordinal value > 127.
 156   Fix 'void*' arithmetic warnings in dbg_malloc.c and libdm-iface.c.
 157   Wait for node creation before displaying debug info in dmsetup.
 158   Fix return status 0 for "dmsetup info -c -o help".
 159   Add check for kernel semaphore support and disable udev_sync if not available.
 160
 161 Version 1.02.53 - 28th July 2010
 162 ================================
 163   Revert failed table load preparation after "create, load and resume".
 164   Switch dmeventd to use dm_create_lockfile and drop duplicate code.
 165   Add dm_create_lockfile to libdm to handle pidfiles for all daemons.
 166   Replace lookup with next in struct dfa_state & calculate states on demand.
 167   Improve the regex matcher, reducing the number of charset nodes used.
 168   Add dm_regex_fingerprint to facilitate regex testing.
 169   Skip ffs(0) in _test_word in bitset functions.
 170   Use "nowatch" udev rule for inappropriate devices.
 171
 172 Version 1.02.52 - 6th July 2010
 173 ===============================
 174   Fix dmlosetup snprintf %llu compiler warning.
 175   Add parentheses to some libdevmapper.h macro arguments.
 176   Add printf format attributes to dm_{sn,as}printf and fix a caller.
 177   Move dmeventd man page from install_lvm2 to install_device-mapper. (1.02.50)
 178
 179 Version 1.02.51 - 30th June 2010
 180 ================================
 181   Generate libdevmapper exported symbols from header file.
 182
 183 Version 1.02.50 - 23rd June 2010
 184 ================================
 185   Fix INTERNAL_ERROR typo in ioctl iface unknown task message.
 186   Fix udev rules to handle spurious events properly.
 187   Use C99 [] not [0] in dm_ulog_request struct to avoid abort when fortified.
 188   Allow use of devmapper header file in C++ mode (extern "C" and __typeof__).
 189   Add dmeventd man page.
 190
 191 Version 1.02.49 - 4th June 2010
 192 ===============================
 193   Support autoloading of dm-mod module for kernels from 2.6.35.
 194   Document 'clear' in dmsetup man page.
 195   Fix semctl parameter (union) to avoid misaligned parameter on some arches.
 196   Add dm_tree_node_set_presuspend_node() to presuspend child when deactivating.
 197   Initial support for replicator target.
 198
 199 Version 1.02.48 - 17th May 2010
 200 ================================
 201   Use -d to control level of messages sent to syslog by dmeventd.
 202   Change -d to -f to run dmeventd in foreground.
 203   Do not print encryption key in message debug output (cryptsetup luksResume).
 204   Fix dmeventd static build library dependencies.
 205   Fix udev flags on remove in create_and_load error path.
 206
 207 Version 1.02.47 - 30th April 2010
 208 =================================
 209   Add support for new IMPORT{db} udev rule.
 210   Add DM_UDEV_PRIMARY_SOURCE_FLAG udev flag to recognize proper DM events.
 211   Also include udev libs in libdevmapper.pc when udev_sync is enabled.
 212   Cache bitset locations to speed up _calc_states.
 213   Add a regex optimisation pass for shared prefixes and suffixes.
 214   Add dm_bit_and and dm_bitset_equal to libdevmapper.
 215   Simplify dm_bitset_create.
 216   Speed up dm_bit_get_next with ffs().
 217
 218 Version 1.02.46 - 14th April 2010
 219 =================================
 220   Change dm_tree_deactivate_children to fail if device is open.
 221   Wipe memory buffers for dm-ioctl parameters before releasing.
 222   Strictly require libudev if udev_sync is used.
 223   Add support for ioctl's DM_UEVENT_GENERATED_FLAG.
 224
 225 Version 1.02.45 - 9th March 2010
 226 ================================
 227   Add --showkeys parameter description to dmsetup man page.
 228   Add --help option as synonym for help command.
 229
 230 Version 1.02.44 - 15th February 2010
 231 ====================================
 232   Add DM_UDEV_DISABLE_LIBRARY_FALLBACK udev flag to rely on udev only.
 233   Export dm_udev_create_cookie function to create new cookies on demand.
 234   Add --udevcookie, udevcreatecookie and udevreleasecookie to dmsetup.
 235   Set udev state automatically instead of using DM_UDEV_DISABLE_CHECKING.
 236
 237 Version 1.02.43 - 21st January 2010
 238 ===================================
 239   Remove bitset, hash and pool headers superceded by libdevmapper.h.
 240   Fix off-by-one error causing bad cluster mirror table construction.
 241
 242 Version 1.02.42 - 14th January 2010
 243 ===================================
 244   Add support for the "snapshot-merge" kernel target (2.6.33-rc1).
 245   Introduce a third activation_priority level in dm_tree_activate_children.
 246
 247 Version 1.02.41 - 12th January 2010
 248 ===================================
 249   If DM_UDEV_DISABLE_CHECKING is set in environment, disable udev warnings.
 250   Add dm_tree_add_dev_with_udev_flags to provide wider support for udev flags.
 251   Add --noudevrules option for dmsetup to disable /dev node management by udev.
 252   Fix 'dmsetup info -c -o all' to show all fields.
 253   Return errors if dm_tree_*_children functions fail.
 254   Fix coredump and memory leak for 'dmsetup help -c'.
 255   Disable udev rules for change events with DISK_RO set.
 256
 257 Version 1.02.40 - 19th November 2009
 258 ====================================
 259   Fix install_device-mapper Makefile target to not build dmeventd plugins.
 260   Support udev flags even when udev_sync is disabled or not compiled in.
 261   Remove 'last_rule' from udev rules: honour DM_UDEV_DISABLE_OTHER_RULES_FLAG.
 262   Add dmsetup --inactive support.
 263   Add dm_task_query_inactive_table to libdevmapper for kernel driver >= 4.16.
 264   Fix hash lookup segfault when keys compared are different lengths.
 265
 266 Version 1.02.39 - 26th October 2009
 267 ===================================
 268   Remove strict default permissions for DM devices from 95-dm-notify.rules.
 269   Add dmsetup udevflags command to decode udev flags in given cookie value.
 270   Support udev flags in libdevmapper incl. dm_tree_add_new_dev_with_udev_flags.
 271   Make libdm ABI consistent when built with/without selinux support.
 272
 273 Version 1.02.38 - 25th September 2009
 274 =====================================
 275   Export DM_DEV_DIR_UMASK, the default umask for /dev directories created.
 276   Handle any path supplied to dm_task_set_name by looking up in /dev/mapper.
 277   Add several examples to 12-dm-permissions.rules.
 278   Add splitname and --yes to dmsetup man page.
 279   Fix _mirror_emit_segment_line return code.
 280   Fix dmeventd _temporary_log_fn parameters. (2.02.50)
 281
 282 Version 1.02.37 - 15th September 2009
 283 =====================================
 284   Add dmsetup manpage entries for udevcomplete_all and udevcookies.
 285   Check udev is running when processing cookies and retain state internally.
 286   Add y|--yes option to dmsetup for default 'yes' answer to prompts.
 287   Fix tools Makefile to process dmsetup sources separately.
 288   Restore umask when device node creation fails.
 289   Check kernel vsn to use 'block_on_error' or 'handle_errors' in mirror table.
 290   Add dm-log-userspace.h to tree for cmirrord builds.
 291
 292 Version 1.02.36 - 6th August 2009
 293 =================================
 294   Add udevcookies, udevcomplete, udevcomplete_all and --noudevwait to dmsetup.
 295   Add libdevmapper functions to support synchronisation with udev.
 296
 297 Version 1.02.35 - 28th July 2009
 298 ================================
 299   Add LOG_LINE_WITH_ERRNO macro.
 300   Use log_error macro consistently throughout in place of log_err.
 301
 302 Version 1.02.34 - 15th July 2009
 303 ================================
 304   Use _exit() not exit() after forking to avoid flushing libc buffers twice.
 305   Rename plog macro to LOG_LINE & add LOG_MESG variant for dm_dump_memory_debug.
 306   Change plog to use dm_log_with_errno unless deprecated dm_log_init was used.
 307   Add dm_log_with_errno and dm_log_with_errno_init, deprecating the old fns.
 308   Fix whitespace in linear target line to fix identical table line detection.
 309   Add device number to more log messages during activation.
 310
 311 Version 1.02.33 - 30th June 2009
 312 ================================
 313   Don't fallback to default major number: use dm_task_set_major_minor. (1.02.31)
 314   Do not fork daemon when dmeventd cannot be found.
 315   Add crypt target handling to libdevmapper tree nodes.
 316   Add splitname command to dmsetup.
 317   Add subsystem, vg_name, lv_name, lv_layer fields to dmsetup reports.
 318   Make mempool optional in dm_split_lvm_name().
 319
 320 Version 1.02.32 - 21st May 2009
 321 ===============================
 322   Only generate libdevmapper.a when configured to link statically.
 323   Export dm_tree_node_size_changed() from libdevmapper.
 324   Propagate the table size_changed property up the dm device tree.
 325   Detect failure to free memory pools when releasing the library.
 326   Fix segfault when getopt processes dmsetup -U, -G and -M options.
 327
 328 Version 1.02.31 - 3rd March 2009
 329 ================================
 330   If kernel supports only one dm major number, use in place of any supplied.
 331
 332 Version 1.02.30 - 26th January 2009
 333 ====================================
 334   Add "all" field to reports expanding to all fields of report type.
 335   Enforce device name length and character limitations in libdm.
 336   Replace _dm_snprintf with EMIT_PARAMS macro for creating target lines.
 337
 338 Version 1.02.29 - 10th November 2008
 339 ====================================
 340   Merge device-mapper into the LVM2 tree.
 341   Split out dm-logging.h from log.h.
 342   Use lvm-types.h.
 343   Add usrsbindir to configure.
 344
 345 Version 1.02.28 - 18th September 2008
 346 =====================================
 347   Only resume devices in dm_tree_preload_children if size changes.
 348   Extend deptree buffers so the largest possible device numbers fit.
 349   Generate versioned libdevmapper-event.so.
 350   Underline longer report help text headings.
 351
 352 Version 1.02.27 - 25th June 2008
 353 ================================
 354   Align struct memblock in dbg_malloc for sparc.
 355   Add --unquoted and --rows to dmsetup.
 356   Avoid compiler warning about cast in dmsetup.c's OFFSET_OF macro.
 357   Fix inverted no_flush debug message.
 358   Remove --enable-jobs from configure. (Set at runtime instead.)
 359   Bring configure.in and list.h into line with the lvm2 versions.
 360
 361 Version 1.02.26 - 6th June 2008
 362 ===============================
 363   Initialise params buffer to empty string in _emit_segment.
 364   Skip add_dev_node when ioctls disabled.
 365   Make dm_hash_iter safe against deletion.
 366   Accept a NULL pointer to dm_free silently.
 367   Add tables_loaded, readonly and suspended columns to reports.
 368   Add --nameprefixes to dmsetup.
 369   Add field name prefix option to reporting functions.
 370   Calculate string size within dm_pool_grow_object.
 371
 372 Version 1.02.25 - 10th April 2008
 373 =================================
 374   Remove redundant if-before-free tests.
 375   Use log_warn for reporting field help text instead of log_print.
 376   Change cluster mirror log type name (s/clustered_/clustered-/)
 377
 378 Version 1.02.24 - 20th December 2007
 379 ====================================
 380   Fix deptree to pass new name to _resume_node after a rename.
 381   Suppress other node operations if node is deleted.
 382   Add node operation stack debug messages.
 383   Report error when empty device name passed to readahead functions.
 384   Fix minimum readahead debug message.
 385
 386 Version 1.02.23 - 5th December 2007
 387 ===================================
 388   Update dm-ioctl.h after removal of compat code.
 389   Add readahead support to libdevmapper and dmsetup.
 390   Fix double free in a libdevmapper-event error path.
 391   Fix configure --with-dmeventd-path substitution.
 392   Allow a DM_DEV_DIR environment variable to override /dev in dmsetup.
 393   Create a libdevmapper.so.$LIB_VERSION symlink within the build tree.
 394   Avoid static link failure with some SELinux libraries that require libpthread.
 395   Remove obsolete dmfs code from tree and update INSTALL.
 396
 397 Version 1.02.22 - 21st August 2007
 398 ==================================
 399   Fix inconsistent licence notices: executables are GPLv2; libraries LGPLv2.1.
 400   Update to use autoconf 2.61, while still supporting 2.57.
 401   Avoid repeated dm_task free on some dm_event_get_registered_device errors.
 402   Introduce log_sys_* macros from LVM2.
 403   Export dm_fclose and dm_create_dir; remove libdm-file.h.
 404   Don't log EROFS mkdir failures in _create_dir_recursive (for LVM2).
 405   Add fclose wrapper dm_fclose that catches write failures (using ferror).
 406
 407 Version 1.02.21 - 13th July 2007
 408 ================================
 409   Introduce _LOG_STDERR to send log_warn() messages to stderr not stdout.
 410   Fix dmsetup -o devno string termination. (1.02.20)
 411
 412 Version 1.02.20 - 15th June 2007
 413 ================================
 414   Fix default dmsetup report buffering and add --unbuffered.
 415   Add tree-based and dependency fields to dmsetup reports.
 416
 417 Version 1.02.19 - 27th April 2007
 418 =================================
 419   Standardise protective include file #defines.
 420   Add regex functions to library.
 421   Avoid trailing separator in reports when there are hidden sort fields.
 422   Fix segfault in 'dmsetup status' without --showkeys against crypt target.
 423   Deal with some more compiler warnings.
 424   Introduce _add_field() and _is_same_field() to libdm-report.c.
 425   Fix some libdevmapper-event and dmeventd memory leaks.
 426   Remove unnecessary memset() return value checks.
 427   Fix a few leaks in reporting error paths. [1.02.15+]
 428
 429 Version 1.02.18 - 13th February 2007
 430 ====================================
 431   Improve dmeventd messaging protocol: drain pipe and tag messages.
 432
 433 Version 1.02.17 - 29th January 2007
 434 ===================================
 435   Add recent reporting options to dmsetup man page.
 436   Revise some report fields names.
 437   Add dmsetup 'help' command and update usage text.
 438   Use fixed-size fields in report interface and reorder.
 439
 440 Version 1.02.16 - 25th January 2007
 441 ===================================
 442   Add some missing close() and fclose() return value checks.
 443   Migrate dmsetup column-based output over to new libdevmapper report framework.
 444   Add descriptions to reporting field definitions.
 445   Add a dso-private variable to dmeventd dso interface.
 446   Add dm_event_handler_[gs]et_timeout functions.
 447   Streamline dm_report_field_* interface.
 448   Add cmdline debug & version options to dmeventd.
 449   Add DM_LIB_VERSION definition to configure.h.
 450   Suppress 'Unrecognised field' error if report field is 'help'.
 451   Add --separator and --sort to dmsetup (unused).
 452   Make alignment flag optional when specifying report fields.
 453
 454 Version 1.02.15 - 17th January 2007
 455 ===================================
 456   Add basic reporting functions to libdevmapper.
 457   Fix a malloc error path in dmsetup message.
 458   More libdevmapper-event interface changes and fixes.
 459   Rename dm_saprintf() to dm_asprintf().
 460   Report error if NULL pointer is supplied to dm_strdup_aux().
 461   Reinstate dm_event_get_registered_device.
 462
 463 Version 1.02.14 - 11th January 2007
 464 ===================================
 465   Add dm_saprintf().
 466   Use CFLAGS when linking so mixed sparc builds can supply -m64.
 467   Add dm_tree_use_no_flush_suspend().
 468   Lots of dmevent changes including revised interface.
 469   Export dm_basename().
 470   Cope with a trailing space when comparing tables prior to possible reload.
 471   Fix dmeventd to cope if monitored device disappears.
 472
 473 Version 1.02.13 - 28 Nov 2006
 474 =============================
 475   Update dmsetup man page (setgeometry & message).
 476   Fix dmsetup free after getline with debug.
 477   Suppress encryption key in 'dmsetup table' output unless --showkeys supplied.
 478
 479 Version 1.02.12 - 13 Oct 2006
 480 =============================
 481   Avoid deptree attempting to suspend a device that's already suspended.
 482
 483 Version 1.02.11 -  12 Oct 2006
 484 ==============================
 485   Add suspend noflush support.
 486   Add basic dmsetup loop support.
 487   Switch dmsetup to use dm_malloc and dm_free.
 488
 489 Version 1.02.10 - 19 Sep 2006
 490 =============================
 491   Add dm_snprintf(), dm_split_words() and dm_split_lvm_name() to libdevmapper.
 492   Reorder mm bounds_check code to reduce window for a dmeventd race.
 493
 494 Version 1.02.09 - 15 Aug 2006
 495 =============================
 496   Add --table argument to dmsetup for a one-line table.
 497   Abort if errors are found during cmdline option processing.
 498   Add lockfs indicator to debug output.
 499
 500 Version 1.02.08 - 17 July 2006
 501 ==============================
 502   Append full patch to check in emails.
 503   Avoid duplicate dmeventd subdir with 'make distclean'.
 504   Update dmsetup man page.
 505   Add --force to dmsetup remove* to load error target.
 506   dmsetup remove_all also performs mknodes.
 507   Don't suppress identical table reloads if permission changes.
 508   Fix corelog segment line.
 509   Suppress some compiler warnings.
 510
 511 Version 1.02.07 - 11 May 2006
 512 =============================
 513   Add DM_CORELOG flag to dm_tree_node_add_mirror_target().
 514   Avoid a dmeventd compiler warning.
 515
 516 Version 1.02.06 - 10 May 2006
 517 =============================
 518   Move DEFS into configure.h.
 519   Fix leaks in error paths found by coverity.
 520   Remove dmsetup line buffer limitation.
 521
 522 Version 1.02.05 - 19 Apr 2006
 523 =============================
 524   Separate install_include target in makefiles.
 525   Separate out DEFS from CFLAGS.
 526   Support pkg-config.
 527   Check for libsepol.
 528
 529 Version 1.02.04 - 14 Apr 2006
 530 =============================
 531   Bring dmsetup man page up-to-date.
 532   Use name-based device refs if kernel doesn't support device number refs.
 533   Fix memory leak (struct dm_ioctl) when struct dm_task is reused.
 534   If _create_and_load_v4 fails part way through, revert the creation.
 535   dmeventd thread/fifo fixes.
 536   Add file & line to dm_strdup_aux().
 537   Add setgeometry.
 538
 539 Version 1.02.03 - 7 Feb 2006
 540 ============================
 541   Add exported functions to set uid, gid and mode.
 542   Rename _log to dm_log and export.
 543   Add dm_tree_skip_lockfs.
 544   Fix dm_strdup debug definition.
 545   Fix hash function to avoid using a negative array offset.
 546   Don't inline _find in hash.c and tidy signed/unsigned etc.
 547   Fix libdevmapper.h #endif.
 548   Fix dmsetup version driver version.
 549   Add sync, nosync and block_on_error mirror log parameters.
 550   Add hweight32.
 551   Fix dmeventd build.
 552
 553 Version 1.02.02 - 2 Dec 2005
 554 ============================
 555   dmeventd added.
 556   Export dm_task_update_nodes.
 557   Use names instead of numbers in messages when ioctls fail.
 558
 559 Version 1.02.01 - 23 Nov 2005
 560 =============================
 561   Resume snapshot-origins last.
 562   Drop leading zeros from dm_format_dev.
 563   Suppress attempt to reload identical table.
 564   Additional LVM- prefix matching for transitional period.
 565
 566 Version 1.02.00 - 10 Nov 2005
 567 =============================
 568   Added activation functions to library.
 569   Added return macros.
 570   Also suppress error if device doesn't exist with DM_DEVICE_STATUS.
 571   Export dm_set_selinux_context().
 572   Add dm_driver_version().
 573   Added dependency tree functions to library.
 574   Added hash, bitset, pool, dbg_malloc to library.
 575   Added ls --tree to dmsetup.
 576   Added dmsetup --nolockfs support for suspend/reload.
 577
 578 Version 1.01.05 - 26 Sep 2005
 579 =============================
 580   Resync list.h with LVM2.
 581   Remember increased buffer size and use for subsequent calls.
 582   On 'buffer full' condition, double buffer size and repeat ioctl.
 583   Fix termination of getopt_long() option array.
 584   Report 'buffer full' condition with v4 ioctl as well as with v1.
 585
 586 Version 1.01.04 - 2 Aug 2005
 587 ============================
 588   Fix dmsetup ls -j and status --target with empty table.
 589
 590 Version 1.01.03 - 13 Jun 2005
 591 =============================
 592   Use matchpathcon mode parameter.
 593   Fix configure script to re-enable selinux.
 594
 595 Version 1.01.02 - 17 May 2005
 596 =============================
 597   Call dm_lib_exit() and dm_lib_release() automatically now.
 598   Add --target <target_type> filter to dmsetup table/status/ls.
 599   Add --exec <command> to dmsetup ls.
 600   Fix dmsetup getopt_long usage.
 601
 602 Version 1.01.01 - 29 Mar 2005
 603 =============================
 604   Update dmsetup man page.
 605   Drop-in devmap_name replacement.
 606   Add option to compile without ioctl for testing.
 607   Fix DM_LIB_VERSION sed.
 608
 609 Version 1.01.00 - 17 Jan 2005
 610 =============================
 611   Add dm_task_no_open_count() to skip getting open_count.
 612
 613 Version 1.00.21 - 7 Jan 2005
 614 ============================
 615   Fix /proc/devices parsing.
 616
 617 Version 1.00.20 - 6 Jan 2005
 618 ============================
 619   Attempt to fix /dev/mapper/control transparently if it's wrong.
 620   Configuration-time option for setting uid/gid/mode for /dev/mapper nodes.
 621   Update kernel patches for 2.4.27/2.4.28-pre-4 (includes minor fixes).
 622   Add --noheadings columns option for colon-separated dmsetup output.
 623   Support device referencing by uuid or major/minor.
 624   Warn if kernel data didn't fit in buffer.
 625   Fix a printf.
 626
 627 Version 1.00.19 - 3 July 2004
 628 =============================
 629   More autoconf fixes.
 630   Fix a dmsetup newline.
 631   Fix device number handling for 2.6 kernels.
 632
 633 Version 1.00.18 - 20 Jun 2004
 634 =============================
 635   Fix a uuid free in libdm-iface.
 636   Fix a targets string size calc in driver.
 637   Add -c to dmsetup for column-based output.
 638   Add target message-passing ioctl.
 639
 640 Version 1.00.17 - 17 Apr 2004
 641 =============================
 642   configure --with-owner= --with-group= to avoid -o and -g args to 'install'
 643   Fix library selinux linking.
 644
 645 Version 1.00.16 - 16 Apr 2004
 646 =============================
 647   Ignore error setting selinux file context if fs doesn't support it.
 648
 649 Version 1.00.15 - 7 Apr 2004
 650 ============================
 651   Fix status overflow check in kernel patches.
 652
 653 Version 1.00.14 - 6 Apr 2004
 654 ============================
 655   Fix static selinux build.
 656
 657 Version 1.00.13 - 6 Apr 2004
 658 ============================
 659   Add some basic selinux support.
 660
 661 Version 1.00.12 - 6 Apr 2004
 662 ============================
 663   Fix dmsetup.static install.
 664
 665 Version 1.00.11 - 5 Apr 2004
 666 ============================
 667   configure --enable-static_link does static build in addition to dynamic.
 668   Moved Makefile library targets definition into template.
 669
 670 Version 1.00.10 - 2 Apr 2004
 671 ============================
 672   Fix DESTDIR handling.
 673   Static build installs to dmsetup.static.
 674   Basic support for internationalisation.
 675   Minor Makefile tidy-ups/fixes.
 676
 677 Version 1.00.09 - 31 Mar 2004
 678 =============================
 679   Update copyright notices to Red Hat.
 680   Move full mknodes functionality from dmsetup into libdevmapper.
 681   Avoid sscanf %as for uClibc compatibility.
 682   Cope if DM_LIST_VERSIONS is not defined.
 683   Add DM_LIST_VERSIONS functionality to kernel patches.
 684   Generate new kernel patches for 2.4.26-rc1.
 685
 686 Version 1.00.08 - 27 Feb 2004
 687 =============================
 688   Added 'dmsetup targets'.
 689   Added event_nr support to 'dmsetup wait'.
 690   Updated dmsetup man page.
 691   Allow logging function to be reset to use internal one.
 692   Bring log macros in line with LVM2 ones.
 693   Added 'make install_static_lib' which installs libdevmapper.a.
 694   Made configure/makefiles closer to LVM2 versions.
 695   Fixed DESTDIR for make install/install_static_lib.
 696   Updated README/INSTALL to reflect move to sources.redhat.com.
 697   Updated autoconf files to 2003-06-17.